Step |
Hyp |
Ref |
Expression |
1 |
|
simpl1 |
|
2 |
|
ffvelrn |
|
3 |
2
|
3ad2antl2 |
|
4 |
|
ffvelrn |
|
5 |
4
|
3ad2antl3 |
|
6 |
|
ax-hvdistr1 |
|
7 |
1 3 5 6
|
syl3anc |
|
8 |
|
hosval |
|
9 |
8
|
oveq2d |
|
10 |
9
|
3expa |
|
11 |
10
|
3adantl1 |
|
12 |
|
homval |
|
13 |
12
|
3expa |
|
14 |
13
|
3adantl3 |
|
15 |
|
homval |
|
16 |
15
|
3expa |
|
17 |
16
|
3adantl2 |
|
18 |
14 17
|
oveq12d |
|
19 |
7 11 18
|
3eqtr4d |
|
20 |
|
hoaddcl |
|
21 |
20
|
anim2i |
|
22 |
21
|
3impb |
|
23 |
|
homval |
|
24 |
23
|
3expa |
|
25 |
22 24
|
sylan |
|
26 |
|
homulcl |
|
27 |
|
homulcl |
|
28 |
26 27
|
anim12i |
|
29 |
28
|
3impdi |
|
30 |
|
hosval |
|
31 |
30
|
3expa |
|
32 |
29 31
|
sylan |
|
33 |
19 25 32
|
3eqtr4d |
|
34 |
33
|
ralrimiva |
|
35 |
|
homulcl |
|
36 |
20 35
|
sylan2 |
|
37 |
36
|
3impb |
|
38 |
|
hoaddcl |
|
39 |
26 27 38
|
syl2an |
|
40 |
39
|
3impdi |
|
41 |
|
hoeq |
|
42 |
37 40 41
|
syl2anc |
|
43 |
34 42
|
mpbid |
|